Qualifications according to specifications of engineering companies and plant constructors; e.g. Saipem, Casale, Stamicarbon, Tecnimont, Toyo plants, etc.
 
Examples of reference specifications:
- Saipem SPC_ON-SCTON-EXE-ENG_MAT-510-E REV.01 (Huey test)
 
- Stamicarbon A4-18005 (Huey test)
 
- Stamicarbon A53961 (Huey test)
 
- Urea Casale 8000-00-MSM-007 (Huey test)
 
- Urea Casale 8000-00-MSM-001 (Huey test)
 
- Urea Casale 8000-00-MSW-008 (Huey test)
 
- Casale Z00000L-G-MSM-001
 
- Casale Z00000L-G-MSM-002
 
- Casale Z00000U-G-MSM-007 (Huey test)
 
- Casale Z00000U-G-MSM-001 (Huey test)
 
- Casale Z00000U-G-MSW-008 (Huey test)
 
- Casale Z00000U-G-MSM-003 REV. 1